TNPSC Thervupettagam

600-million-year-old Himalayan River

July 31 , 2023 471 days 381 0
  • Scientists have discovered water droplets in mineral deposits that are believed to be from an ancient ocean that existed around 600 million years ago.
  • They believe that the Earth may have been covered by thick sheets of ice between 700 and 500 million years ago.
  • This period is known as the Snowball Earth glaciation.
  • This event was followed by the Second Great Oxygenation Event which led to an increase in the amount of oxygen in the Earth's atmosphere.
  • This event led to the evolution of complex life forms.

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